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<h1>copy
</h1>

<h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2>
<div class="box"><strong>copy(g,h) --- overwrite g with a copy of h</strong></div>

<h2><a name="_synopsis"></a>SYNOPSIS <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2>
<div class="box"><strong>function copy(g,h) </strong></div>

<h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2>
<div class="fragment"><pre class="comment"> copy(g,h) --- overwrite g with a copy of h

 This is different from writing g = h which makes g another view of the
 same graph h (so changes to h affect g). Rather, copy(g,h) makes g an
 identical, but independent copy of h.

 Note that g = graph(h) has a similar effect, but grabs a new slot in
 GRAPH_MAGIC. The syntax copy(g,h) is preferred when g is already a handle
 to a graph object.</pre></div>

<!-- crossreference -->
<h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2>
This function calls:
<ul style="list-style-image:url(../../matlabicon.gif)">
</ul>
This function is called by:
<ul style="list-style-image:url(../../matlabicon.gif)">
<li><a href="bridges.html" class="code" title="function blist = bridges(g,algo)">bridges</a>	bridges(g,algo) --- find all cut edges in g</li><li><a href="complement.html" class="code" title="function complement(g,h)">complement</a>	graph complement</li><li><a href="cube.html" class="code" title="function cube(g,k)">cube</a>	cube(g,k) --- create a k-cube (default k = 3)</li><li><a href="dfstree.html" class="code" title="function dfstree(t,g,v)">dfstree</a>	dfstree(t,g,v) --- create a depth-first spanning tree of g</li><li><a href="euler_trail.html" class="code" title="function [elist, exists] = euler_trail(g)">euler_trail</a>	euler_trail(g) --- find an euler trail in g (if one exists)</li><li><a href="hamiltonian_cycle.html" class="code" title="function [hlist, exists] = hamiltonian_cycle(g,h)">hamiltonian_cycle</a>	hamiltonian_cycle(g) --- find a Hamiltonian cycle in g (if one exists)</li><li><a href="intersect.html" class="code" title="function intersect(g,h1,h2)">intersect</a>	intersect(g,h1,h2) --- g is set to the intersection of h1 and h2.</li><li><a href="iso.html" class="code" title="function [yn,p] = iso(g,h,options)">iso</a>	[yn,p] = iso(g,h,options) --- is g isomorphic to h?</li><li><a href="omega.html" class="code" title="function [w,S] = omega(g)">omega</a>	[w,S] = omega(g) --- clique number</li><li><a href="prufer.html" class="code" title="function output = prufer(g, code)">prufer</a>	prufer --- convert a tree to/from its Prufer code</li><li><a href="random_regular.html" class="code" title="function random_regular(g,n,k)">random_regular</a>	random_regular(g,n,k) --- create a random regular graph</li><li><a href="union.html" class="code" title="function union(g,h1,h2)">union</a>	union(g,h1,h2) --- set g equal to the union of h1 and h2.</li></ul>
<!-- crossreference -->


<h2><a name="_source"></a>SOURCE CODE <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2>
<div class="fragment"><pre>0001 <a name="_sub0" href="#_subfunctions" class="code">function copy(g,h)</a>
0002 <span class="comment">% copy(g,h) --- overwrite g with a copy of h</span>
0003 <span class="comment">%</span>
0004 <span class="comment">% This is different from writing g = h which makes g another view of the</span>
0005 <span class="comment">% same graph h (so changes to h affect g). Rather, copy(g,h) makes g an</span>
0006 <span class="comment">% identical, but independent copy of h.</span>
0007 <span class="comment">%</span>
0008 <span class="comment">% Note that g = graph(h) has a similar effect, but grabs a new slot in</span>
0009 <span class="comment">% GRAPH_MAGIC. The syntax copy(g,h) is preferred when g is already a handle</span>
0010 <span class="comment">% to a graph object.</span>
0011 
0012 <span class="keyword">global</span> GRAPH_MAGIC
0013 
0014 GRAPH_MAGIC.graphs{g.idx} = GRAPH_MAGIC.graphs{h.idx};
0015 
0016</pre></div>
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